minor fix

builder/download-depends.py

@@ -57,7 +57,7 @@ def resolve_depends(repository, pkgbase, result, key='depends'):
         try:
             status = Status.objects.get(key=pkgbase)
         except:
-            raise Exception('Cannot find {pkgbase} in the database.')
+            raise Exception(f'Cannot find {pkgbase} in the database.')
 
         if datetime.now() - status.timestamp > timedelta(days=1):
             pacman_packages.append(f'{config["pacman"]["repository"]}/{pkgname}')